PIC18F2331_10 Datasheet, PDF (271/392 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D

PIC18F2331/2431/4331/4431
REGISTER 23-9: CONFIG6L: CONFIGURATION REGISTER 6 LOW (BYTE ADDRESS 30000Ah)
U-0
U-0
U-0
U-0
R/P-1
R/P-1
R/P-1
R/P-1
—
—
—
—
WRT3^(1,2) WRT2^(1,2)
WRT1⁽²⁾
WRT0⁽²⁾
bit 7
bit 0
Legend:
R = Readable bit
P = Programmable bit
-n = Value when device is unprogrammed
U = Unimplemented bit, read as ‘0’
U = Unchanged from programmed state
bit 7-4
bit 3
bit 2
bit 1
bit 0
Unimplemented: Read as ‘0’
WRT3: Write Protection bit^(1,2)
1 = Block 3 is not write-protected
0 = Block 3 is write-protected
WRT2: Write Protection bit^(1,2)
1 = Block 2 is not write-protected
0 = Block 2 is write-protected
WRT1: Write Protection bit⁽²⁾
1 = Block 1 is not write-protected
0 = Block 1 is write-protected
WRT0: Write Protection bit⁽²⁾
1 = Block 0 is not write-protected
0 = Block 0 is write-protected
Note 1: Unimplemented in PIC18F2331/4331 devices; maintain this bit set.
2: Refer to Figure 23-5 for block boundary addresses.
REGISTER 23-10: CONFIG6H: CONFIGURATION REGISTER 6 HIGH (BYTE ADDRESS 30000Bh)
R/P-1
R/P-1
R-1
U-0
U-0
U-0
U-0
U-0
WRTD⁽²⁾
WRTB⁽²⁾
WRTC^(1,2)
—
—
—
—
—
bit 7
bit 0
Legend:
R = Readable bit
P = Programmable bit
-n = Value when device is unprogrammed
U = Unimplemented bit, read as ‘0’
U = Unchanged from programmed state
bit 7
bit 6
bit 5
bit 4-0
WRTD: Data EEPROM Write Protection bit⁽²⁾
1 = Data EEPROM is not write-protected
0 = Data EEPROM is write-protected
WRTB: Boot Block Write Protection bit⁽²⁾
1 = Boot block is not write-protected
0 = Boot block is write-protected
WRTC: Configuration Register Write Protection bit^(1,2)
1 = Configuration registers are not write-protected
0 = Configuration registers are write-protected
Unimplemented: Read as ‘0’
Note 1: This bit is read-only in normal execution mode; it can be written only in Program mode.
2: Refer to Figure 23-5 for block boundary addresses.
 2010 Microchip Technology Inc.
DS39616D-page 271